A draughting shaft with an impossibly tight meander leading off at the bottom. The shaft was originally positioned wrongly, causing some confusion as site 1876.

Reference: pers comm (email 13/5/02); anon., 2003b (Easter logbook); anon., 2003d (autumn logbook)
Entrance picture: yes  boulder-covered
Underground picture(s):
Detailed survey:
Line survey:
On area survey:
Survex file: